The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.
该染料甲川链上的原子氨基的氮原子相连,而该氮原子又染料的甲川链形成烯。
The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.
该染料甲川链上的原子氨基的氮原子相连,而该氮原子又染料的甲川链形成烯。
The syntheses of two new derivatives of 4 - pyrone, by the reaction of adipyl choloride with enamines deriving from chain ketones and aldehydes, are described.
本文由链状醛酮的烯酰氯反应合成两个新的4-吡喃酮衍生物。
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